{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "data breach", "arguments": ["compromised data", "purpose", "number of data", "damage amount", "attacker", "attack pattern", "time", "place", "tool", "victim", "number of victim"]}], "input": "The company said evidence suggests an attacker may have accessed information stored on a legacy e-commerce platform during two periods : 1 January through 22 June 2016 and 1 October to 22 December 2017 ."}
{"data breach": [{"compromised data": "information", "purpose": "NAN", "number of data": "NAN", "damage amount": "NAN", "attacker": "an attacker", "attack pattern": "NAN", "time": "NAN", "place": "NAN", "tool": "NAN", "victim": "a legacy e-commerce platform", "number of victim": "NAN"}]}